All Norton 8000 series closers used to come in two versions:
- Standard Spring - Adjustable sizes 2-6 (models 8301 and 8501)
- BF Barrier Free Spring - Adjustable sizes 1-4 (models 8301BF and 8501BF)
That configuration has recently changed. All 8000 series closers now include a spring adjustable sizes 1-6.
This means there is no longer a need for two closer versions. All versions are BF, Barrier Free.
| Old Model |
New Model to Order |
| 8301 |
8301 |
| 8301BF |
8301 |
| 8501 |
8501 |
| 8501BF |
8501 |
|